<!DOCTYPE html>
<html lang="en" data-bs-theme="auto">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="description" content="">
    <meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
    <meta name="generator" content="Astro v5.13.2">
    <title>Heroes · Bootstrap v5.3</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <style>
        .bd-placeholder-img {
            font-size: 1.125rem;
            text-anchor: middle;
            -webkit-user-select: none;
            -moz-user-select: none;
            user-select: none
        }

        @media (min-width: 768px) {
            .bd-placeholder-img-lg {
                font-size: 3.5rem
            }
        }

        .b-example-divider {
            width: 100%;
            height: 3rem;
            background-color: #0000001a;
            border: solid rgba(0, 0, 0, .15);
            border-width: 1px 0;
            box-shadow: inset 0 .5em 1.5em #0000001a, inset 0 .125em .5em #00000026
        }

        .b-example-vr {
            flex-shrink: 0;
            width: 1.5rem;
            height: 100vh
        }

        .bi {
            vertical-align: -.125em;
            fill: currentColor
        }

        .nav-scroller {
            position: relative;
            z-index: 2;
            height: 2.75rem;
            overflow-y: hidden
        }

        .nav-scroller .nav {
            display: flex;
            flex-wrap: nowrap;
            padding-bottom: 1rem;
            margin-top: -1px;
            overflow-x: auto;
            text-align: center;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch
        }

        .btn-bd-primary {
            --bd-violet-bg: #712cf9;
            --bd-violet-rgb: 112.520718, 44.062154, 249.437846;
            --bs-btn-font-weight: 600;
            --bs-btn-color: var(--bs-white);
            --bs-btn-bg: var(--bd-violet-bg);
            --bs-btn-border-color: var(--bd-violet-bg);
            --bs-btn-hover-color: var(--bs-white);
            --bs-btn-hover-bg: #6528e0;
            --bs-btn-hover-border-color: #6528e0;
            --bs-btn-focus-shadow-rgb: var(--bd-violet-rgb);
            --bs-btn-active-color: var(--bs-btn-hover-color);
            --bs-btn-active-bg: #5a23c8;
            --bs-btn-active-border-color: #5a23c8
        }

        .bd-mode-toggle {
            z-index: 1500
        }

        .bd-mode-toggle .bi {
            width: 1em;
            height: 1em
        }

        .bd-mode-toggle .dropdown-menu .active .bi {
            display: block !important
        }
    </style>
</head>

<body> <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
        <symbol id="check2" viewBox="0 0 16 16">
            <path
                d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z">
            </path>
        </symbol>
        <symbol id="circle-half" viewBox="0 0 16 16">
            <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"></path>
        </symbol>
        <symbol id="moon-stars-fill" viewBox="0 0 16 16">
            <path
                d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z">
            </path>
            <path
                d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z">
            </path>
        </symbol>
        <symbol id="sun-fill" viewBox="0 0 16 16">
            <path
                d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z">
            </path>
        </symbol>
    </svg>
    <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle"> <button
            class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center" id="bd-theme" type="button"
            aria-expanded="false" data-bs-toggle="dropdown" aria-label="Toggle theme (auto)"> <svg
                class="bi my-1 theme-icon-active" aria-hidden="true">
                <use href="#circle-half"></use>
            </svg> <span class="visually-hidden" id="bd-theme-text">Toggle theme</span> </button>
        <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
            <li> <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light"
                    aria-pressed="false"> <svg class="bi me-2 opacity-50" aria-hidden="true">
                        <use href="#sun-fill"></use>
                    </svg>
                    Light
                    <svg class="bi ms-auto d-none" aria-hidden="true">
                        <use href="#check2"></use>
                    </svg> </button> </li>
            <li> <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark"
                    aria-pressed="false"> <svg class="bi me-2 opacity-50" aria-hidden="true">
                        <use href="#moon-stars-fill"></use>
                    </svg>
                    Dark
                    <svg class="bi ms-auto d-none" aria-hidden="true">
                        <use href="#check2"></use>
                    </svg> </button> </li>
            <li> <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto"
                    aria-pressed="true"> <svg class="bi me-2 opacity-50" aria-hidden="true">
                        <use href="#circle-half"></use>
                    </svg>
                    Auto
                    <svg class="bi ms-auto d-none" aria-hidden="true">
                        <use href="#check2"></use>
                    </svg> </button> </li>
        </ul>
    </div>
    <main>
        <h1 class="visually-hidden">Heroes examples</h1>
        <div class="px-4 py-5 my-5 text-center"> 
            <h1 class="display-5 fw-bold text-body-emphasis">ChengZizhuo</h1>
            <div class="col-lg-6 mx-auto">
                <p class="lead mb-4">Quickly design and customize responsive mobile-first sites with Bootstrap, the
                    world’s most popular front-end open source toolkit, featuring Sass variables and mixins, responsive
                    grid system, extensive prebuilt components, and powerful JavaScript plugins.</p>
                <div class="d-grid gap-2 d-sm-flex justify-content-sm-center"> <button type="button"
                        class="btn btn-primary btn-lg px-4 gap-3">Primary button</button> <button type="button"
                        class="btn btn-outline-secondary btn-lg px-4">Secondary</button> </div>
            </div>
        </div>

    </main>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"
       
        class="astro-vvvwv3sm"></script>
</body>

</html>